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amorphous sodium comprising :

PROCESS FOR THE PREPARATION OF AMORPHOUS

2009-4-27  The present invention provides a process for the preparation of amorphous rabeprazole sodium said process comprising (a) suspending rabeprazole in an organic solvent having dielectric constant ranging between 1.8 to 21, wherein at least 80 % of the organic solvent is a ketonic solvent having dielectric constant ranging between 13 to 21; (b) adding aqueous sodium hydroxide; (c)

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PROCESS FOR THE PREPARATION OF ELAGOLIX SODIUM

A process for the preparation of amorphous Elagolix sodium, comprising the step of: a) ball milling Elagolix sodium under suitable milling conditions. 3. Amorphous solid dispersion of Elagolix sodium, wherein the Elagolix sodium is dispersed with one or more pharmaceutically acceptable carriers selected from Polyethylene glycol, Syloid ...

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Process for the preparation of amorphous fluvastatin sodium

We claim: 1. A process for the preparation of an amorphous form of fluvastatin sodium, the process comprising: preparing a solution by dissolving the sodium fluvastatin in methanol; filtering the solution through a bed of diatomaceous earth to obtain a filtrate; and evaporating the filtrate to obtain a residue of amorphous fluvastatin sodium.

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Amorphous sodium silicate-metal sulfate composite

Amorphous sodium silicate cullet (sodium silicate glass pieces) as a representative example thereof is obtained by heat fusing siliceous sand, and sodium carbonate or sodium hydroxide, and its molar ratio n of of SiO 2 /Na 2 O is, usually, 2 to 3.3. Water glass solution comprising amorphous sodium sillcate cullet having been dissolved in water ...

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Preparation of a coating composition comprising

A process for making a coating composition comprising a dispersion of amorphous aluminum phosphate, the process comprising the steps of: combining phosphoric acid, aluminum hydroxide and sodium aluminate to form a dispersion of amorphous aluminum phosphate particles in solution; and combining the dispersion with a binding polymer to form the ...

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Amorphous sodium silicate powder - Tokuyama Corporation

Amorphous sodium silicate cullet (sodium silicate glass pieces) as a representative example thereof is obtained by heat fusing siliceous sand, and sodium carbonate or sodium hydroxide, and its molar ratio n of SiO 2 /Na 2 O is, usually 2 to 3.3. Water glass solution comprising amorphous sodium silicate cullet having been dissolved in water ...

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NOVEL PROCESSES FOR THE PRODUCTION OF

2006-8-1  The invention is directed to overcome the problems associated with the formation of rabeprazole sodium, i.e. formation of (2-({[4-(3-methoxypropoxy)-3-methylpyridin-2-yl] methyl}sulfonyl)-1H-benzimidazole side product which is achieved by a process for the preparation of amorphous rabeprazole salt, e.g. sodium, comprising the steps of: i) contacting rabeprazole salt complex, e.g. sodium ...

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US Patent for Amorphous form of dolutegravir Patent ...

2012-9-2  The novel amorphous form of the present invention is useful for the treatment of retroviral infections including, in particular, human immunodeficiency virus (HIV) infection (e.g. HIV-1 infection). The present invention thus provides pharmaceutical compositions comprising amorphous dolutegravir sodium and a pharmaceutically acceptable carrier.

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Formulation of co-amorphous systems from naproxen and ...

2020-9-25  To the best of our knowledge however, the formulation of a co-amorphous system comprising of a drug and its own salt at a 1:1 M ratio has only been reported once, i.e., for the system indomethacin–indomethacin sodium (Tong and Zografi, 2001), and its physicochemical properties and dissolution behavior remain largely unknown. Therefore ...

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Thermal behavior of perlite concrete used in a sodium ...

2019-5-13  The thermal decomposition behavior of perlite concrete is similar to those of hardened Portland cement, comprising (1) the thermal dehydration of absorbed, bound, and gel water in C–S–H gel and amorphous SiO 2 and of crystalline water of C–S–H compounds, (2) thermal dehydroxylation of hydroxides including Ca(OH) 2, and (3) thermal ...

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A PROCESS FOR MANUFACTURE OF AMORPHOUS

The amorphous rabeprazole sodium thus formed is of smaller particle size (mean particle diameter 10 to 55 urn) and is thus capable of faster drying and does not require use of lyophilizer. The yield of the product obtained by the present process is 80 to 90 % calculated w.r.t. Rabeprazole and it has a purity level not less than 99 %.

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Probing the Na metal solid electrolyte interphase via cryo ...

2021-5-24  When FEC is used, the Na-metal electrode forms a multilayer SEI structure comprising an outer NaF-rich amorphous phase and an inner Na 3 PO 4

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(PDF) Highly flame retardant coating consisting of starch ...

Mixture of starch and amorphous sodium polyborate (SPB) is found to show high flame retardancy, when its aqueous solution is deposited and dried on organic polymer materials such as polyethylene ...

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NOVEL PROCESSES FOR THE PRODUCTION OF

2006-8-1  The invention is directed to overcome the problems associated with the formation of rabeprazole sodium, i.e. formation of (2-({[4-(3-methoxypropoxy)-3-methylpyridin-2-yl] methyl}sulfonyl)-1H-benzimidazole side product which is achieved by a process for the preparation of amorphous rabeprazole salt, e.g. sodium, comprising the steps of: i) contacting rabeprazole salt complex, e.g. sodium ...

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A PROCESS FOR MANUFACTURE OF AMORPHOUS

The amorphous rabeprazole sodium thus formed is of smaller particle size (mean particle diameter 10 to 55 urn) and is thus capable of faster drying and does not require use of lyophilizer. The yield of the product obtained by the present process is 80 to 90 % calculated w.r.t. Rabeprazole and it has a purity level not less than 99 %.

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(PDF) Highly flame retardant coating consisting of starch ...

Mixture of starch and amorphous sodium polyborate (SPB) is found to show high flame retardancy, when its aqueous solution is deposited and dried on organic polymer materials such as polyethylene ...

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Formulation of co-amorphous systems from naproxen and ...

Co-amorphous systems comprising low-molecular weight drugs and co-formers constitute an interesting approach to optimize pharmaceutical performance of drugs with low aqueous solubility. Within the different types of co-amorphous systems, the combination of a drug with its own salt may be an attractive formulation option due the absence of any ...

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Probing the Na metal solid electrolyte interphase via cryo ...

2021-5-24  When FEC is used, the Na-metal electrode forms a multilayer SEI structure comprising an outer NaF-rich amorphous phase and an inner Na 3 PO 4

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Thermal behavior of perlite concrete used in a sodium ...

2019-5-13  The thermal decomposition behavior of perlite concrete is similar to those of hardened Portland cement, comprising (1) the thermal dehydration of absorbed, bound, and gel water in C–S–H gel and amorphous SiO 2 and of crystalline water of C–S–H compounds, (2) thermal dehydroxylation of hydroxides including Ca(OH) 2, and (3) thermal ...

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Superior Sodium Storage Properties in the Anode Material ...

2021-9-8  During charge, Ni 0 and Cr 0 are oxidized, Na 2 S is consumed, and amorphous Ni and Cr sulfides are formed. Limiting the potential window to 3.0–0.3 V an unusual nickel extrusion sodium insertion mechanism occurs: Ni 2+ is reduced to nanosized Ni 0 domains, expelled from the host lattice, and is replaced by Na + cations to form O3-type like ...

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Direct chitin conversion to N-doped amorphous carbon ...

2018-3-1  N-doped amorphous carbon nanofibers can be fabricated via facile direct pyrolysis of the bio-waste chitin. The as-prepared unique porous structure provides stable channels for electron/electrolyte transmission and more active sites for sodium-ion adsorption and storage, leading to a high specific capacity, energy density and extremely long cycle life.

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First Introduction of NiSe2 to Anode Material for Sodium ...

2016-3-21  The first-ever study of nickel selenide materials as efficient anode materials for Na-ion rechargeable batteries is conducted using the electrospinning process.

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Dehydration and crystallization of amorphous calcium ...

2014-1-28  The crystallization of amorphous calcium carbonate is a widely studied process. Here, the authors probe the mechanism and show that transformation to calcite is preceded by dehydration, even in ...

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HIGH-AMYLOSE SODIUM CARBOXYMETHYL STARCH

2008-6-5  A process for obtaining a spray-dried high amylose sodium carboxymethyl starch comprising a major fraction of amorphous form and optionally a minor fraction of crystalline V form, is provided. The process comprises providing an amorphous pregelatinized high amylose sodium carboxymethyl starch (HASCA) dispersing the amorphous pregelatinized HASCA in a solution comprising water and at least

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Beyond Li-ion: electrode materials for sodium- and ...

2011-6-30  An amorphous red phosphorus/carbon composite as a promising anode material for sodium ion batteries. Adv Mater, 2013, 25: 3045–3049 Article Google Scholar 42 Xiong H, Slater MD, Balasubramanian M, Johnson CS, Rajh T. Amorphous TiO 2

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Probing the Na metal solid electrolyte interphase via cryo ...

2021-5-24  When FEC is used, the Na-metal electrode forms a multilayer SEI structure comprising an outer NaF-rich amorphous phase and an inner Na 3 PO 4 phase. This layered structure stabilizes the SEI and prevents further reactions between the electrolyte and the Na metal.

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Pharmaceutics Free Full-Text Spray-Dried Amorphous ...

The optimized ternary formulation comprising of ATO; hydroxypropyl methylcellulose (HPMC), as a hydrophilic polymer; and sodium lauryl sulfate (SLS), as a surfactant, at a weight ratio of 1/1/0.1, showed significant improvement in aqueous solubility by ~18

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Polymerization in sodium silicate solutions: a fundamental ...

2009-7-1  The major phase was an amorphous polymeric phase comprising the matrix of the whole material. The secondary sodium silicate hydrate phase was observed in the form of agglomerated precipitates with size ranging from 500 nm to 40 μm.

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Thermal behavior of perlite concrete used in a sodium ...

2019-5-13  The thermal decomposition behavior of perlite concrete is similar to those of hardened Portland cement, comprising (1) the thermal dehydration of absorbed, bound, and gel water in C–S–H gel and amorphous SiO 2 and of crystalline water of C–S–H compounds, (2) thermal dehydroxylation of hydroxides including Ca(OH) 2, and (3) thermal ...

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Amorphous silica solubilities—I. Behavior in aqueous ...

1980-7-1  Geochimica et Cosmochimica Ada Vol. 44, pp. 907 to 913 Pergamon Press Ltd 1980. Printed in Great Britain Amorphous silica solubilities. Behavior in aqueous sodium nitrate solutions; 25-300, 0-6 molal*f WILLIAM L. MARSHALL Chemistry Division, Oak Ridge National Laboratory, Oak Ridge, TN 37830, U.S.A. [Received 13 November 1979; accepted in revised form 18 February 1980) Abstracthe

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Sn4P3-induced crystalline/amorphous composite

Request PDF Sn4P3-induced crystalline/amorphous composite structures for enhanced sodium-ion battery anodes The optimization of anode materials such as

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A Process For Preparation Of Amorphous Dapagliflozin ...

2015-10-19  U.S. 8,999,941 discloses A PROCESS FOR PREPARATION OF AMORPHOUS DAPAGLIFLOZIN comprising adding a heated solution of dapagliflozin in toluene into n-heptane. After drying in vacuo the product was obtained as a white solid with melting point of 49.5 C to 62.6 C. DSC analysis showed the existence of two endothermic transitions at 57 C and 107 C ...

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Superior Sodium Storage Properties in the Anode Material ...

2021-9-8  During charge, Ni 0 and Cr 0 are oxidized, Na 2 S is consumed, and amorphous Ni and Cr sulfides are formed. Limiting the potential window to 3.0–0.3 V an unusual nickel extrusion sodium insertion mechanism occurs: Ni 2+ is reduced to nanosized Ni 0 domains, expelled from the host lattice, and is replaced by Na + cations to form O3-type like ...

More

First Introduction of NiSe2 to Anode Material for Sodium ...

2016-3-21  The first-ever study of nickel selenide materials as efficient anode materials for Na-ion rechargeable batteries is conducted using the electrospinning process.

More

Beyond Li-ion: electrode materials for sodium- and ...

2011-6-30  An amorphous red phosphorus/carbon composite as a promising anode material for sodium ion batteries. Adv Mater, 2013, 25: 3045–3049 Article Google Scholar 42 Xiong H, Slater MD, Balasubramanian M, Johnson CS, Rajh T. Amorphous TiO 2

More

Dehydration and crystallization of amorphous calcium ...

2014-1-28  The crystallization of amorphous calcium carbonate is a widely studied process. Here, the authors probe the mechanism and show that transformation to calcite is preceded by dehydration, even in ...

More

Amorphous Ni(OH)2 encounter with crystalline CuS in

2018-2-1  Highly active, durable and cost-effective eletrocatalysts are crucial for hydrogen evolution reaction (HER). Herein, we report novel hollow hybrid spheres comprising of amorphous Ni(OH) 2 and crystalline CuS mesoporous nano-shelled heterostructures as efficient HER electrocatalysts. Spherical Cu 2 O particles are used as templates for fabrication of Ni(OH) 2 @CuS hollow spheres with nano ...

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Graphitic Carbon-Coated FeSe2 Hollow Nanosphere

2016-4-1  For the FeSe 2 –rGO–AC (amorphous carbon) hybrid nanofibers comprising FeSe 2 nanorods used for comparison purposes, as-spun Fe(acac) 3 –PAN–PS–GO composite nanofibers were post

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An Amorphous Carbon Nitride Composite Derived from

2015-5-4  An composite comprising amorphous carbon nitride (ACN) and zinc oxide is derived from ZIF-8 by pyrolysis. The composite is a promising anode material for sodium-ion batteries. The nitrogen content of the ACN composite is as high as 20.4 %, and the bonding state of nitrogen is mostly pyridinic, as determined by X-ray photoelectron spectroscopy ...

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